G31.83 NEUROCOGNITIVE DISORDER WITH LEWY BODIES

Code Information

  • Diagnosis Code: G31.83
  • Short Description: Neurocognitive disorder with Lewy bodies
  • Long Description: Neurocognitive disorder with Lewy bodies
  • Code Version: 2025 ICD-10-CM

The code G31.83 is VALID for claim submission

Code Classification

Synonyms

  • Dementia due to Lewy body disease
  • Dementia due to Lewy body disease
  • Dementia with behavioral disturbance
  • Diffuse Lewy body disease with spongiform cortical change
  • Disorder of autonomic nervous system due to senile dementia of Lewy body type
  • Early onset dementia due to Lewy body disease
  • Late onset dementia due to Lewy body disease
  • Lewy body dementia with behavioral disturbance
  • Lewy body disease
  • Lewy body disease
  • Parkinsonism with dementia of Guadeloupe

References to Index of Diseases and Injuries

The code G31.83 has the following ICD-10-CM references to the Index of Diseases and Injuries

  • Inclusion Terms:
    • Lewy body dementia
    • Lewy body disease

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
G31.83 Right Arrow 331.82 Dementia w Lewy bodies
This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
G31 Other degenerative diseases of nervous system, not elsewhere classified
G31.0 Frontotemporal dementia
G31.01 Pick's disease
G31.09 Other frontotemporal neurocognitive disorder
G31.1 Senile degeneration of brain, not elsewhere classified
G31.2 Degeneration of nervous system due to alcohol
G31.8 Other specified degenerative diseases of nervous system
G31.80 Leukodystrophy, unspecified
G31.81 Alpers disease
G31.82 Leigh's disease
G31.84 Mild cognitive impairment of uncertain or unknown etiology
G31.85 Corticobasal degeneration
G31.86 Alexander disease
G31.87 Primary progressive apraxia of speech
G31.89 Other specified degenerative diseases of nervous system
G31.9 Degenerative disease of nervous system, unspecified
This page was last updated on: 10/1/2025
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